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elearning.php
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elearning.php 19.01 KiB
<?php
/**
* Elearning Interface für Veranstaltungen/ Einrichtungen
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* @author Arne Schröder <schroeder@data-quest.de>
* @license http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
* @category Stud.IP
* @since 3.1
*/
class Course_ElearningController extends AuthenticatedController
{
/**
* Before filter, set up the page by initializing the session and checking
* all conditions.
*
* @param String $action Name of the action to be invoked
* @param Array $args Arguments to be passed to the action method
*/
public function before_filter(&$action, &$args)
{
parent::before_filter($action, $args);
if (!Config::Get()->ELEARNING_INTERFACE_ENABLE ) {
throw new AccessDeniedException(_('Elearning-Interface ist nicht aktiviert.'));
} else
$this->elearning_active = true;
PageLayout::setHelpKeyword('Basis.Ilias');
PageLayout::setTitle(Context::getHeaderLine(). " - " . _("Lernmodule"));
checkObject(); // do we have an open object?
$module = checkObjectModule('ElearningInterface');
object_set_visit_module($module->getPluginId());
$this->search_key = Request::get('search_key');
$GLOBALS['search_key'] = $this->search_key;
$this->cms_select = Request::quoted('cms_select');
$GLOBALS['cms_select'] = $this->cms_select;
$this->open_all = Request::get('open_all');
$this->close_all = Request::get('close_all');
$this->new_account_cms = Request::get('new_account_cms');
$this->module_system_type = Request::get('module_system_type');
$this->module_id = Request::get('module_id');
$this->module_type = Request::get('module_type');
$this->anker_target = Request::get('anker_target');
$this->seminar_id = Context::getId();
$this->rechte = $GLOBALS['perm']->have_studip_perm('tutor', $this->seminar_id);
if (!isset($GLOBALS['ELEARNING_INTERFACE_MODULES'][$this->new_account_cms])) {
unset($this->new_account_cms);
}
if (!isset($GLOBALS['ELEARNING_INTERFACE_MODULES'][$this->cms_select])) {
unset($this->cms_select);
}
if ($this->seminar_id != $_SESSION['elearning_open_close']["id"]) {
unset($_SESSION['cache_data']);
unset($_SESSION['elearning_open_close']);
}
if ($this->open_all != "")
$_SESSION['elearning_open_close']["all open"] = true;
elseif ($this->close_all != "")
$_SESSION['elearning_open_close']["all open"] = "";
$_SESSION['elearning_open_close']["type"] = "seminar";
$_SESSION['elearning_open_close']["id"] = $this->seminar_id;
if (Request::get('do_open')) { $this->anker_target = Request::get('do_open');
$_SESSION['elearning_open_close'][Request::get('do_open')] = true;
} elseif (Request::get('do_close')) {
$this->anker_target = Request::get('do_close');
$_SESSION['elearning_open_close'][Request::get('do_close')] = false;
}
$this->sidebar = Sidebar::get();
$this->sidebar->setContextAvatar(CourseAvatar::getAvatar($this->seminar_id));
}
/**
* Displays a page.
*/
public function show_action($id = null)
{
global $connected_cms, $current_module;
Navigation::activateItem('/course/elearning/show');
$GLOBALS['view'] = 'show';
// Zugeordnete Ilias-Kurse ermitteln und ggf. aktualisieren
$this->course_output = ELearningUtils::getIliasCourses($this->seminar_id);
if (!empty($this->new_account_cms)) {
//Dummy-Instanz der Zuordnungs-Klasse ohne Verbindung zur Veranstaltung
$object_connections = new ObjectConnections();
} else {
//Instanz mit den Zuordnungen von Content-Modulen zur Veranstaltung
$object_connections = new ObjectConnections($this->seminar_id);
$connected_modules = $object_connections->getConnections();
}
$this->module_count = 0;
$content_modules_list = [];
if ($object_connections->isConnected()) {
$caching_active = true;
foreach ($connected_modules as $key => $connection) {
if (ELearningUtils::isCMSActive($connection["cms"])) {
ELearningUtils::loadClass($connection["cms"]);
$connected_cms[$connection["cms"]]->newContentModule($connection["id"], $connection["type"], true);
$connected_modules[$key]['title'] = $connected_cms[$connection["cms"]]->content_module[$connection["id"]]->getTitle();
$title_tmp[$key] = str_replace(['ä','ö','ü','ß'],['ae','oe','ue','ss'],mb_strtolower($connected_modules[$key]['title']));
$type_tmp[$key] = array_search($connection['type'], array_keys($GLOBALS['ELEARNING_INTERFACE_MODULES'][$connection["cms"]]['types']));
$class_tmp[$key] = $GLOBALS['ELEARNING_INTERFACE_MODULES'][$connection["cms"]]["CLASS_PREFIX"];
}
}
array_multisort($class_tmp, SORT_ASC, $type_tmp, SORT_ASC, $title_tmp, SORT_ASC, $connected_modules);
foreach ($connected_modules as $index => $connection) {
$current_module = $connection["id"];
if ($this->module_count == 0)
$content_modules_list[$index]['show_header'] = true;
$this->module_count++;
$this->module_system_count[$connection["cms"]]++;
if ($this->open_all != "")
$_SESSION['elearning_open_close'][$connected_cms[$connection["cms"]]->content_module[$connection["id"]]->getReferenceString()] = true;
elseif ($this->close_all != "")
$_SESSION['elearning_open_close'][$connected_cms[$connection["cms"]]->content_module[$connection["id"]]->getReferenceString()] = false;
$connected_cms[$connection["cms"]]->content_module[$connection["id"]]->view->setChangeDate($connection["chdate"]);
$content_modules_list[$index]['module'] = $connected_cms[$connection["cms"]]->content_module[$connection["id"]]->view->show();
}
}
if (($this->module_count == 0) AND ($this->new_account_cms == "")) {
if (Context::isInstitute()) {
PageLayout::postInfo(_('Momentan sind dieser Einrichtung keine Lernmodule zugeordnet.'));
} else {
PageLayout::postInfo(_('Momentan sind dieser Veranstaltung keine Lernmodule zugeordnet.')); }
}
$widget = new ActionsWidget();
$widget->addLink(
_('Externe Accounts verwalten'),
URLHelper::getURL('dispatch.php/elearning/my_accounts'),
Icon::create('person')
);
if (count($this->course_output['courses']))
foreach ($this->course_output['courses'] as $course) {
$widget->addLink(
sprintf(_('Direkt zum Kurs in %s'), $course['cms_name']),
$course['url'],
Icon::create('link-extern'),
['target' => '_blank', 'rel' => 'noopener noreferrer']
);
}
$this->sidebar->addWidget($widget);
$this->new_account = $this->new_account_cms;
$this->content_modules = $content_modules_list;
}
/**
* Displays a page.
*/
public function edit_action($id = null)
{
global $connected_cms, $current_module;
if (!$this->rechte) {
throw new AccessDeniedException();
}
Navigation::activateItem('/course/elearning/edit');
$GLOBALS['view'] = 'edit';
// ggf. neuen Ilias4-Kurs anlegen
if (Request::submitted('create_course') AND $this->rechte) {
ELearningUtils::loadClass($this->cms_select);
if ((method_exists($connected_cms[$this->cms_select], "createCourse")))
if ($connected_cms[$this->cms_select]->createCourse($this->seminar_id))
PageLayout::postInfo(_('Kurs wurde angelegt.'));
}
// ggf. bestehenden Ilias4-Kurs zuordnen
if (Request::submitted('connect_course')) {
if ((ObjectConnections::getConnectionModuleId(Request::option("connect_course_sem_id"), "crs", $this->cms_select)) AND ($GLOBALS['perm']->have_studip_perm("dozent", Request::option("connect_course_sem_id")))) {
ObjectConnections::setConnection($this->seminar_id, ObjectConnections::getConnectionModuleId(Request::option("connect_course_sem_id"), "crs", $this->cms_select), "crs", $this->cms_select);
PageLayout::postInfo(_('Zuordnung wurde gespeichert.'));
ELearningUtils::loadClass($this->cms_select);
if ((method_exists($connected_cms[$this->cms_select], "updateConnections")))
$connected_cms[$this->cms_select]->updateConnections( ObjectConnections::getConnectionModuleId(Request::option("connect_course_sem_id"), "crs", $this->cms_select) );
}
}
// Zugeordnete Ilias-Kurse ermitteln und ggf. aktualisieren
$this->course_output = ELearningUtils::getIliasCourses($this->seminar_id);
if ($this->new_account_cms == "") {
if ($this->module_system_type != "") {
$user_crs_role = $connected_cms[$this->module_system_type]->crs_roles[$GLOBALS['auth']->auth["perm"]];
ELearningUtils::loadClass($this->module_system_type);
}
if (Request::submitted('remove')) {
$connected_cms[$this->module_system_type]->newContentModule($this->module_id, $this->module_type, true);
if ($connected_cms[$this->module_system_type]->content_module[$this->module_id]->unsetConnection($this->seminar_id, $this->module_id, $this->module_type, $this->module_system_type))
PageLayout::postInfo(_('Die Zuordnung wurde entfernt.'));
unset($connected_cms[$this->module_system_type]->content_module[$this->module_id]);
} elseif (Request::submitted('add')) {
$connected_cms[$this->module_system_type]->newContentModule($this->module_id, $this->module_type, true);
if ($connected_cms[$this->module_system_type]->content_module[$this->module_id]->setConnection($this->seminar_id))
PageLayout::postInfo(_('Die Zuordnung wurde gespeichert.'));
unset($connected_cms[$this->module_system_type]->content_module[$this->module_id]); }
if ($this->search_key != "") {
ELearningUtils::loadClass($this->cms_select);
if ( mb_strlen( trim($this->search_key) ) > 2)
$searchresult_content_modules = $connected_cms[$this->cms_select]->searchContentModules($this->search_key);
else
PageLayout::postError(_('Jeder Suchbegriff muss mindestens 3 Zeichen lang sein!'));
}
}
//Instanz mit den Zuordnungen von Content-Modulen zur Veranstaltung
$object_connections = new ObjectConnections($this->seminar_id);
$connected_modules = $object_connections->getConnections();
$this->module_count = 0;
$content_modules_list = [];
$user_modules_list = [];
$search_modules_list = [];
if ($object_connections->isConnected()) {
$caching_active = true;
foreach ($connected_modules as $key => $connection) {
if (ELearningUtils::isCMSActive($connection["cms"])) {
ELearningUtils::loadClass($connection["cms"]);
$connected_cms[$connection["cms"]]->newContentModule($connection["id"], $connection["type"], true);
$connected_modules[$key]['title'] = $connected_cms[$connection["cms"]]->content_module[$connection["id"]]->getTitle();
$title_tmp[$key] = str_replace(['ä','ö','ü','ß'],['ae','oe','ue','ss'],mb_strtolower($connected_modules[$key]['title']));
$type_tmp[$key] = array_search($connection['type'], array_keys($GLOBALS['ELEARNING_INTERFACE_MODULES'][$connection["cms"]]['types']));
$class_tmp[$key] = $GLOBALS['ELEARNING_INTERFACE_MODULES'][$connection["cms"]]["CLASS_PREFIX"];
}
}
array_multisort($class_tmp, SORT_ASC, $type_tmp, SORT_ASC, $title_tmp, SORT_ASC, $connected_modules);
foreach ($connected_modules as $index => $connection) {
$current_module = $connection["id"];
if ($this->module_count == 0)
$content_modules_list[$index]['show_header'] = true;
$this->module_count++;
$this->module_system_count[$connection["cms"]]++;
if ($this->open_all != "")
$_SESSION['elearning_open_close'][$connected_cms[$connection["cms"]]->content_module[$connection["id"]]->getReferenceString()] = true;
elseif ($this->close_all != "")
$_SESSION['elearning_open_close'][$connected_cms[$connection["cms"]]->content_module[$connection["id"]]->getReferenceString()] = false;
$content_modules_list[$index]['module'] = $connected_cms[$connection["cms"]]->content_module[$connection["id"]]->view->showAdmin();
}
}
if (($this->module_count == 0) AND ($this->new_account_cms == "")) {
if (Context::isInstitute()) {
PageLayout::postInfo(_('Momentan sind dieser Einrichtung keine Lernmodule zugeordnet.'));
} else {
PageLayout::postInfo(_('Momentan sind dieser Veranstaltung keine Lernmodule zugeordnet.'));
}
}
$this->caching_active = false;
if (isset($GLOBALS['ELEARNING_INTERFACE_MODULES'][$this->cms_select]["name"])) {
ELearningUtils::loadClass($this->cms_select);
$user_content_modules = $connected_cms[$this->cms_select]->getUserContentModules();
if (! ($user_content_modules == false)) {
foreach ($user_content_modules as $key => $connection) {
// show only those modules which are not already connected to the seminar
if (is_object($connected_cms[$this->cms_select]->content_module[$connection["ref_id"]]))
continue;
$connected_cms[$this->cms_select]->setContentModule($connection, false);
$connected_cms[$this->cms_select]->content_module[$current_module]->view->showAdmin();
$user_modules_list[$key]['module'] = $connected_cms[$this->cms_select]->content_module[$current_module]->view->showAdmin();
}
}
if (!$connected_cms[$this->cms_select]->isAuthNecessary()
|| $connected_cms[$this->cms_select]->user->isConnected()) {
$this->show_search = true;
}
if (! ($searchresult_content_modules == false)) {
foreach ($searchresult_content_modules as $key => $connection) {
// show only those modules which are not already connected to the seminar
if (is_object($connected_cms[$this->cms_select]->content_module[$connection["ref_id"]]))
continue;
$connected_cms[$this->cms_select]->setContentModule($connection, false);
$search_modules_list[$key]['module'] = $connected_cms[$this->cms_select]->content_module[$current_module]->view->showAdmin();
}
}
// ILIAS 4: Leeren Kurs anlegen oder Kurse von anderen Veranstaltungen zuordnen
if ((method_exists($connected_cms[$this->cms_select], "updateConnections")) AND ! ($this->module_system_count[$this->cms_select]) AND ! (ObjectConnections::getConnectionModuleId($this->seminar_id, "crs", $this->cms_select)))
{
$show_ilias_empty_course = true;
if ($GLOBALS['perm']->have_perm('root')) {
$query = "SELECT DISTINCT object_id, module_id, Name
FROM object_contentmodules
LEFT JOIN seminare ON (object_id = Seminar_id)
WHERE module_type = 'crs' AND system_type = ?";
} else {
$query = "SELECT DISTINCT object_id, module_id, Name
FROM object_contentmodules
LEFT JOIN seminare ON (object_id = Seminar_id)
LEFT JOIN seminar_user USING (Seminar_id)
WHERE module_type = 'crs' AND system_type = ? AND seminar_user.status = 'dozent'";
}
$statement = DBManager::get()->prepare($query);
$statement->execute([$this->cms_select]);
while ($row = $statement->fetch(PDO::FETCH_ASSOC)) {
if ($GLOBALS['perm']->have_studip_perm('dozent', $row['object_id'])) {
$existing_courses[$row['object_id']] = my_substr($row['Name'],0,60)." ".sprintf(_("(Kurs-ID %s)"), $row['module_id']);
}
}
}
// ILIAS 4: ggf. Hinweis auf Möglichkeit, weitere Modulformen als Link einzubinden
elseif (method_exists($connected_cms[$this->cms_select], "updateConnections") AND count($connected_cms[$this->cms_select]->types['webr'])) {
$this->show_ilias_link_info = true;
$crs_data = ObjectConnections::getConnectionModuleId($this->seminar_id, "crs", $this->cms_select);
}
}
// Cachen der SOAP-Daten
if (is_array($connected_cms))
foreach($connected_cms as $system)
$system->terminate();
$widget = new ActionsWidget();
if (is_array($this->course_output['courses']) && count($this->course_output['courses'])) {
$widget->addLink(
_('Zuordnungen aktualisieren'),
URLHelper::getURL('?', ['view' => 'edit', 'cms_select' => $this->cms_select,'update'=>1]),
Icon::create('refresh')
);
}
$this->sidebar->addWidget($widget);
$this->new_account = $this->new_account_cms;
$this->is_inst = Context::isInstitute();
if ($this->cms_select) {
$this->cms_name = $connected_cms[$this->cms_select]->getName();
$this->cms_logo = $connected_cms[$this->cms_select]->getLogo();
$this->user_modules = $user_modules_list;
$this->search_modules = $search_modules_list;
$this->existing_courses = $existing_courses; $this->show_ilias_empty_course = $show_ilias_empty_course;
}
$this->content_modules = $content_modules_list;
}
}